import Vue from 'vue'
import Router from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import List from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(Router)

const router = new Router({
    routes: [
        // redirect 重定向进去的地址
        { path: '/', redirect: '/login' },
        { path: '/login', name: Login, component: Login },
        {
            path: '/home',
            name: Home,
            component: Home,
            redirect: '/welcome',
            children: [
                { path: '/welcome', name: Welcome, component: Welcome },
                { path: '/users', name: Users, component: Users },
                { path: '/rights', name: Rights, component: Rights },
                { path: '/roles', name: Roles, component: Roles },
                { path: '/categories', name: Cate, component: Cate },
                { path: '/params', name: Params, component: Params },
                { path: '/goods', name: List, component: List },
                { path: '/goods/add', name: Add, component: Add },
                { path: '/orders', name: Order, component: Order },
                { path: '/reports', name: Report, component: Report },
            ]
        }
    ]
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
    // to 将要访问的路径
    // from 代表从哪个路径跳转而来
    // next 是一个函数，表示放行
    //     next()  放行    next('/login')  强制跳转

    if (to.path === '/login') return next()
    // 获取token
    const tokenStr = window.sessionStorage.getItem('token')
    if (!tokenStr) return next('/login')
    next()
})

export default router
